#include<stdio.h>
#include"utils.h"
int main(){
  
  unsigned char * c;
  Hex2Char(1, &c);
  printf("output: %c",c);
//结果：c = '1'
  Hex2Char(15, &c);
  printf("output: %c",c);
//结果：c = 'F'
  unsigned int i;
  Char2Hex('1', &i);
  printf("output: %d",i);
//结果：i = 1
  Char2Hex('F', &i);
  printf("output: %d",i);
//结果：i = 15
  
  return 0;
}